Reverse Mass Drivers: Catching Surfaces Grazing Orbiting Spacecraft

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SUMMARY

The discussion centers on the theoretical application of mass drivers for both launching and catching vehicles in space. Participants highlight the fundamental differences between these two processes, particularly in terms of physics and safety concerns. The concept of a "javelin catch" is mentioned as a metaphor for the challenges involved. Additionally, references to the Ringworld braking system and SpaceX's innovations suggest a growing interest in advanced propulsion and braking technologies.

PREREQUISITES
  • Understanding of mass driver technology and its principles
  • Familiarity with orbital mechanics and spacecraft dynamics
  • Knowledge of braking systems, specifically the Ringworld braking system
  • Awareness of SpaceX's advancements in autonomous vehicle technology
NEXT STEPS
  • Research the physics behind mass driver technology and its applications
  • Explore the principles of orbital mechanics related to spacecraft catching
  • Investigate the Ringworld braking system and its theoretical implications
  • Study SpaceX's innovations in autonomous systems and regenerative braking
USEFUL FOR

Aerospace engineers, physicists, and enthusiasts interested in advanced propulsion systems and the theoretical aspects of spacecraft dynamics.

DrHan
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If a mass driver could theoretically launch a vehicle then surely it could catch one too. Anyone know about articles related to mass drivers that refer to catching surfaces grazing orbiting spacecraft ?
 
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Welcome to PF.

There's at least one fundamental difference between launching a high-speed object ahd catching one. Can you speak to that difference?
 
Is this related to why "the javelin catch" is not an olympic sport?
 
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DrHan said:
Anyone know about articles related to mass drivers that refer to catching surfaces grazing orbiting spacecraft ?
Are you familiar with the Ringworld braking system?
 
DrHan said:
If a mass driver could theoretically launch a vehicle then surely it could catch one too.
That's SpaceX's next secret innovation. Elon was one his way home one evening, just daydreaming as Fully Autonomous Most Famous Level 7 Autopilot mode carried him along, and as the regenerative braking slowed his Model Z, he suddenly thought, "Hold on a minute..."

Seriously, I guess it could be done, theoretically, but it seems a dangerous game to play because any mishap is likely to demolish your expensive mass driver and probably the facility that powers it. And you just know there's going to be a mishap :nb)
 

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